Early Cenozoic vertebrates in the red conglomerate at Guanajuato, Mexico
By: by Carl Fries, Claude W. Hibbard, and David H. Dunkle.
Contributors: Hibbard, Claude William, 1905-1973.; Dunkle, David Hosbrook, joint author.
Series: Smithsonian miscellaneous collections,; v. 123, no. 7; Publication 4181.
Publisher: Smithsonian Institution
Published: 1955
Place of publication: Washington
Language: eng
Number of pages: 25
Subjects: Paleontology -- Cenozoic.; Vertebrates, Fossil -- Mexico -- Guanajuato (State); Geology -- Mexico -- Guanajuato (State)
Notes: Bibliography:  p. 24-25.
At head of title:  Charles D. and Mary Vaux Walcott Research Fund.